UA RUSH is an infrared technology that reflects your body's energy and helps you work harder and regenerate better. Strategic laser perforation for greater breathability where you need it most. The 4-Way Stretch technology allows for better movement in every direction. The material wicks away sweat and dries very quickly. Bonded sleeve edges and collars for added comfort and a sleek look. Odor control technology minimizes odors. Model: Vanish Elite Vent Prtd SS Colour: Black Pattern: Abstract Fit: fitted Neckline: round Sleeve: short Type of sport: training Technology: 4-Way Stretch, RUSH - UA RUSH technology uses mineral-enriched fiber to capture the energy expended by your body and return it to your tissues and muscles. The bottom layer of clothing has been shown to improve strength and endurance. Pleasant to the touch, lightweight and breathable. Material: 90% polyester, 10% elastane